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Meadow Brook - Loudoun
500 kV Transmission Line

The explosive population growth in Northern Virginia over the last 10 years has placed Dominion's ability to meet its responsibility for its Northern Virginia customers increasingly at risk.

Dominion is committed to providing reliable service to its customers now and in the future. The proposed 500 kV transmission line is essential to Dominion Virginia Power’s ability to maintain system reliability and support future growth in Northern Virginia.

Electrical demand in Northern Virginia has grown by 40 percent in the past 10 years, and it is expected to grow by an additional 8 percent by 2011. At peak hours, local power stations can supply less than 50 percent of the electricity that customers demand. This shortage will only become more severe as Northern Virginia adds high technology data centers to its economy, as the Army begins a planned doubling of the size of Fort Belvoir, and as Washington-Dulles International Airport and Tysons Corner continue their planned expansions.

Without added transmission capacity, the region will face potential blackouts by 2011. These blackouts could carry serious consequences for the region's economy and quality of life.

Dominion has a legal responsibility to provide the public with a reliable source of electrical power. To overcome this risk, Dominion has proposed a new 40-mile overhead transmission line through an area extending from the Meadow Brook substation in Frederick County to its Loudoun substation.

The Loudoun substation serves approximately 30 percent of Northern Virginia’s electrical demand and is the company’s most critical link in averting future power disruptions. Dominion’s justification for the line has been endorsed by PJM, the transmission company for the northeastern United States and other independent analysts.

The full length of the line is 240 miles and would connect Allegheny's Prexy substation in southern Pennsylvania with Dominion's Loudoun Substation in southwest Loudoun County. The new transmission line is needed by 2011 and preliminary cost estimates for the total project are in excess of $850 million. Dominion's portion of the line is only 40 miles long.

Dominion understands that many residents have concerns about this proposed transmission line. Dominion is committed to working with these residents — and their elected representatives — to choose a site for this project that will minimize its impact on the community and the rich natural resources of the region. The company has already reached out to concerned citizens, leading environmentalists, and local governments to answer questions and furnish information about the process. We will continue to embrace a collaborative approach to planning this urgently needed public project.

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For more information, or to comment about this project, send us an e-mail.